…/mvn inside the gem executable

when inside a jar the CWD is uri:classloader:/ and executing a system
command can not change into this CWD. use java system property user.dir
in such a case

Sponsored by Lookout Inc.

…paths (still missing test)

…imeout used

with (JSR223) scripting-container (fixes #1365)

complements commit a741a82

…rtifacts

... while checking whether method.isDefault()

if there's an abstract method implemented by the Object.class
(e.g. equals) continue looking for the "real" single method

... of the block (see #3136) when there are 2 method with different
interface type signature we can improve current (unpredictable) logic

state prior to this commit is printing a ambiguous warning, the picked
method depends on returned getMethods order

so that we cache correctly cases with proc-to-iface dispatch
(per Proc's arity)

as a side effect redundant null checks were removed
and the calculation should now compute the same when using args[]
or the overloaded version (with args splatted)

(closing #3136)

* jruby-1_7: (36 commits)
  no need for "" + ...
  keep the test Java 6 compilable + more asserts
  method cache hash calc needs to acount for Proc
  support for matching proc-to-iface methods by arity
  improve resolving functional-interfaces
  avoid reflection in getFunctionalInterface
  some Java.getFunctionalInterfaceMethod asserts
  introduce a getFunctionalInterfaceMethod helper
  generix-ize some of JavaUtil's static helpers
  Make sure windows files generate signatures as part of post_process_artifacts
  Doh...how did this not get added
  Fixes #3135. Provide sha256 sums
  yet another multiple args proc-to-iface spec
  less deprecation warnings from implementation_spec
  clean + avoid deprecation warn in executor_spec
  less rspec deprecation warnings from ant spec
  avoid File#listFiles in spec since it's ambiguous
  spec for regression in proc to iface optimization
  Fix references to old mailing lists.
  Return nil when waitpid returns 0. Fixes #3117.
  ...

Conflicts:
	VERSION
	antlib/extra.xml
	core/pom.xml
	core/src/main/java/org/jruby/RubyProcess.java
	core/src/main/java/org/jruby/embed/util/SystemPropertyCatcher.java
	core/src/test/java/org/jruby/embed/ScriptingContainerTest.java
	docs/man/pom.xml
	docs/pom.xml
	ext/pom.xml
	ext/readline/pom.xml
	ext/ripper/pom.xml
	lib/pom.xml
	maven/jruby-complete/pom.xml
	maven/jruby-dist/pom.xml
	maven/jruby-dist/src/main/assembly/jruby.xml
	maven/jruby-jars/pom.xml
	maven/jruby-noasm/pom.xml
	maven/jruby-rake-plugin/pom.xml
	maven/jruby-stdlib/pom.xml
	maven/jruby/pom.xml
	maven/pom.xml
	pom.xml
	test/pom.xml
	test/test_backquote.rb
	test/test_kernel.rb

* 'master' of github.com:jruby/jruby:
  split tests for jruby-jars and see if they are more stable on travis
  fix permission of lib/ruby/maven-home/bin/mvn